Motorcycle transmission casing



FIG. 1 is a perspective view of a motorcycle transmission casing showing my new design;

FIG. 2 is a front elevational view of the motorcycle transmission casing of FIG. 1;

FIG. 3 is a left end elevational view of the motorcylce transmission casing of FIG. 1;

FIG. 4 is a right end elevational view of the motorcycle transmission casing of FIG. 1;

FIG. 5 is a top plan view of the motorcycle transmission casing of FIG. 1;

FIG. 6 is a bottom plan view of the motorcycle transmission casing of FIG. 1; and,

FIG. 7 is a rear elevational view of the motorcycle transmission casing of FIG. 1. 

The ornamental design for a motorcycle transmission casing, as shown and described. 